haiku: add platform support

include/boost/predef/os.h

@@ -15,6 +15,7 @@ http://www.boost.org/LICENSE_1_0.txt)
 #include <boost/predef/os/beos.h>
 #include <boost/predef/os/bsd.h>
 #include <boost/predef/os/cygwin.h>
+#include <boost/predef/os/haiku.h>
 #include <boost/predef/os/hpux.h>
 #include <boost/predef/os/irix.h>
 #include <boost/predef/os/ios.h>

include/boost/predef/os/haiku.h

@@ -0,0 +1,46 @@
+/*
+Copyright Rene Rivera 2008-2013
+Distributed under the Boost Software License, Version 1.0.
+(See accompanying file LICENSE_1_0.txt or copy at
+http://www.boost.org/LICENSE_1_0.txt)
+*/
+
+#ifndef BOOST_PREDEF_OS_HAIKU_H
+#define BOOST_PREDEF_OS_HAIKU_H
+
+#include <boost/predef/version_number.h>
+#include <boost/predef/make.h>
+
+/*`
+[heading `BOOST_OS_HAIKU`]
+
+[@http://en.wikipedia.org/wiki/Haiku_(operating_system) Haiku] operating system.
+
+[table
+    [[__predef_symbol__] [__predef_version__]]
+
+    [[`__HAIKU__`] [__predef_detection__]]
+    ]
+ */
+
+#define BOOST_OS_BEOS BOOST_VERSION_NUMBER_NOT_AVAILABLE
+
+#if !defined(BOOST_PREDEF_DETAIL_OS_DETECTED) && ( \
+    defined(__HAIKU__) \
+    )
+#   undef BOOST_OS_HAIKU
+#   define BOOST_OS_HAIKU BOOST_VERSION_NUMBER_AVAILABLE
+#endif
+
+#if BOOST_OS_HAIKU
+#   define BOOST_OS_HAIKU_AVAILABLE
+#   include <boost/predef/detail/os_detected.h>
+#endif
+
+#define BOOST_OS_HAIKU_NAME "Haiku"
+
+#include <boost/predef/detail/test.h>
+BOOST_PREDEF_DECLARE_TEST(BOOST_OS_HAIKU,BOOST_OS_HAIKU_NAME)
+
+
+#endif